1 // SPDX-License-Identifier: GPL-2.0-or-later
23 /* Reg offset to specify Address for MM assisted accesses */
25 /* Reg offset to specify Command for MM assisted accesses */
27 /* Reg offset to MM SPARE 0 used specify Address[7:0] */
29 /* Reg offset to MM SPARE 3 used specify Data Byte 0 */
37 /* Time delay between checking MM status of EEPROM write (microseconds) */
46 #define ARIES_MAIN_MICRO_FW_INFO	(96 * 1024 - 128)
72 	bool mm_wide_reg_access; /* MM assisted wide register access */
83 	struct i2c_client *client = data->client;  in pt5161l_write_block_data()
94 			remain_len -= 4;  in pt5161l_write_block_data()
100 		buf[0] = config | (curr_len - 1) << 1 | ((address >> 16) & 0x1);  in pt5161l_write_block_data()
123 	struct i2c_client *client = data->client;  in pt5161l_read_block_data()
134 			remain_len -= 16;  in pt5161l_read_block_data()
140 		wbuf[0] = config | (curr_len - 1) << 1 |  in pt5161l_read_block_data()
168 				 u8 width, u8 *val)  in pt5161l_read_wide_reg()  argument
179 	if (data->mm_wide_reg_access) {  in pt5161l_read_wide_reg()
189 		/* Set command based on width */  in pt5161l_read_wide_reg()
190 		switch (width) {  in pt5161l_read_wide_reg()
204 			return -EINVAL;  in pt5161l_read_wide_reg()
226 			return -ETIMEDOUT;  in pt5161l_read_wide_reg()
230 					      width, val);  in pt5161l_read_wide_reg()
234 		return pt5161l_read_block_data(data, address, width, val);  in pt5161l_read_wide_reg()
253 	/* No multi-byte indirect support here. Hence read a byte at a time */  in pt5161l_read_block_data_main_micro_indirect()
254 	eeprom_base = address - AL_MAIN_SRAM_DMEM_OFFSET;  in pt5161l_read_block_data_main_micro_indirect()
280 			return -ETIMEDOUT;  in pt5161l_read_block_data_main_micro_indirect()
305 		dev_dbg(&data->client->dev,  in pt5161l_fw_load_check()
308 		data->code_load_okay = false;  in pt5161l_fw_load_check()
310 		data->code_load_okay = true;  in pt5161l_fw_load_check()
342 	data->mm_heartbeat_okay = hb_changed;  in pt5161l_heartbeat_check()
365 	if (data->code_load_okay && data->mm_heartbeat_okay) {  in pt5161l_fwsts_check()
385 	data->fw_ver.major = major;  in pt5161l_fwsts_check()
386 	data->fw_ver.minor = minor;  in pt5161l_fwsts_check()
387 	data->fw_ver.build = build;  in pt5161l_fwsts_check()
396 	u32 curr_ver = data->fw_ver.major << 24 | data->fw_ver.minor << 16 |  in pt5161l_fw_is_at_least()
397 		       data->fw_ver.build;  in pt5161l_fw_is_at_least()
409 	mutex_lock(&data->lock);  in pt5161l_init_dev()
411 	mutex_unlock(&data->lock);  in pt5161l_init_dev()
417 		data->mm_wide_reg_access = true;  in pt5161l_init_dev()
419 	data->init_done = true;  in pt5161l_init_dev()
434 		if (!data->init_done) {  in pt5161l_read()
440 		mutex_lock(&data->lock);  in pt5161l_read()
444 		mutex_unlock(&data->lock);  in pt5161l_read()
453 			return -EIO;  in pt5161l_read()
457 		       ((adc_code - (ARIES_TEMP_CAL_CODE_DEFAULT + 250)) *  in pt5161l_read()
458 			-320);  in pt5161l_read()
461 		return -EOPNOTSUPP;  in pt5161l_read()
499 	struct pt5161l_data *data = file->private_data;  in pt5161l_debugfs_read_fw_ver()
503 	mutex_lock(&data->lock);  in pt5161l_debugfs_read_fw_ver()
505 	mutex_unlock(&data->lock);  in pt5161l_debugfs_read_fw_ver()
509 	ret = snprintf(ver, sizeof(ver), "%u.%u.%u\n", data->fw_ver.major,  in pt5161l_debugfs_read_fw_ver()
510 		       data->fw_ver.minor, data->fw_ver.build);  in pt5161l_debugfs_read_fw_ver()
524 	struct pt5161l_data *data = file->private_data;  in pt5161l_debugfs_read_fw_load_sts()
529 	mutex_lock(&data->lock);  in pt5161l_debugfs_read_fw_load_sts()
531 	mutex_unlock(&data->lock);  in pt5161l_debugfs_read_fw_load_sts()
533 		status = data->code_load_okay;  in pt5161l_debugfs_read_fw_load_sts()
549 	struct pt5161l_data *data = file->private_data;  in pt5161l_debugfs_read_hb_sts()
554 	mutex_lock(&data->lock);  in pt5161l_debugfs_read_hb_sts()
556 	mutex_unlock(&data->lock);  in pt5161l_debugfs_read_hb_sts()
558 		status = data->mm_heartbeat_okay;  in pt5161l_debugfs_read_hb_sts()
573 	data->debugfs = debugfs_create_dir(dev_name(&data->client->dev),  in pt5161l_init_debugfs()
576 	debugfs_create_file("fw_ver", 0444, data->debugfs, data,  in pt5161l_init_debugfs()
579 	debugfs_create_file("fw_load_status", 0444, data->debugfs, data,  in pt5161l_init_debugfs()
582 	debugfs_create_file("heartbeat_status", 0444, data->debugfs, data,  in pt5161l_init_debugfs()
590 	struct device *dev = &client->dev;  in pt5161l_probe()
596 		return -ENOMEM;  in pt5161l_probe()
598 	data->client = client;  in pt5161l_probe()
599 	mutex_init(&data->lock);  in pt5161l_probe()
603 	hwmon_dev = devm_hwmon_device_register_with_info(dev, client->name,  in pt5161l_probe()
617 	debugfs_remove_recursive(data->debugfs);  in pt5161l_remove()